Holstein Friesian - Wikipedia
The Holstein Friesian is an international breed or group of breeds of dairy cattle. It originated in Frisia, stretching from the Dutch province of North Holland to the German state of Schleswig-Holstein. It is the dominant breed in industrial dairy farming worldwide, and is found in …
Holstein Association USA, The World's Largest Dairy Cattle Breed ...
Holstein Association USA is the world's largest dairy cattle breed organization, offering information services to all dairy producers. The Holstein Association offers dairy cattle identification, genetic evaluation, type evaluation, mating programs and inbreeding management programs to improve dairy herd management.
Holstein - Wikipedia
Holstein (German pronunciation: [ˈhɔlʃtaɪn] ⓘ; Northern Low Saxon: Holsteen; Danish: Holsten; Latin: Holsatia) is the region between the rivers Elbe and Eider. It is the southern half of Schleswig-Holstein, the northernmost state of Germany.
Holstein - The Cattle Site
2022年9月29日 · Holsteins are large cattle with colour patterns of black and white or red and white. A healthy Holstein calf weighs 90 pounds or more at birth. A mature Holstein cow weighs about 1500 pounds and stand 58 inches tall at the shoulder. Holstein heifers can be bred at 15 months of age, when they weigh about 800 pounds.
霍爾斯坦牛 - 維基百科，自由的百科全書
霍爾斯坦牛（Holstein）亦稱荷斯坦牛、荷斯登牛、荷蘭乳牛，是家牛的一個產奶品種。 原產於德國 什勒斯維希-霍爾斯坦 ，現在已經遍及世界各地，身上分布著黑白斑狀花紋，也有紅白斑紋的，與埃及薩卡拉墓地群4500年前壁畫有相同特徵。
Holstein 101
Holstein cattle are the most prominent of the seven major dairy breeds in the United States, easily recognizable by their distinctive black and white markings. Cows of Holstein descent make up over 90% of the cows on U.S. dairy farms. Follow the links below to …
History of dairy cow breeds: Holstein - MSU Extension
2014年12月26日 · Holstein cows are perhaps the most recognized breed of dairy cattle and are the most common dairy breed in the U.S. They have distinctive black and white or red and white markings. The red and white coloring is a recessive gene that appears when both the dam (mother) and sire (father) are carriers or exhibit the trait themselves.
Registered Holsteins for more than 120 years. The Holstein Association is the industry’s single source for complete performance and genetic information on officially identified Holstein cattle. Gathering, processing and recording data on Holsteins from across the country, the Association
Through this workbook we will explain the science behind genetics and explore some real world, practical applications. First, let’s look at how genetic information is contained in our bodies. The components that make up genetic information are very similar, whether you’re studying humans, cattle, or any other organism.
好斯敦-菲仕兰牛 - 百度百科
好斯敦-菲仕兰牛Holstein-Friesian，亦称荷尔斯泰因-弗里斯牛。 大型乳牛品种，亦称 黑白花牛 或荷兰牛，起源于荷兰北部和菲仕兰地区 拉丁学名